/*
 * Copyright (C) 2015 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.zkx.mvp.api.support;

import com.google.gson.Gson;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonWriter;
import com.zkx.mvp.model.base.HttpRequest;

import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.Charset;

import okhttp3.MediaType;
import okhttp3.RequestBody;
import okio.Buffer;
import retrofit2.Converter;

/**
 * 自定义gson适配器的GsonRequestBodyConverter
 * 统一处理请求参数的加密等
 *
 * @param <T>
 */
final class CustomGsonRequestBodyConverter<T> implements Converter<T, RequestBody> {
    private static final MediaType MEDIA_TYPE = MediaType.parse("application/json; charset=UTF-8");
    private static final Charset UTF_8 = Charset.forName("UTF-8");

    private final Gson gson;
    private final TypeAdapter<T> adapter;

    CustomGsonRequestBodyConverter(Gson gson, TypeAdapter<T> adapter) {
        this.gson = gson;
        this.adapter = adapter;
    }

    @Override
    public RequestBody convert(T value) throws IOException {
        Buffer buffer = new Buffer();
        Writer writer = new OutputStreamWriter(buffer.outputStream(), UTF_8);
        JsonWriter jsonWriter = gson.newJsonWriter(writer);
        adapter.write(jsonWriter, value);
        jsonWriter.close();

        String oldRequestJson = buffer.readString(UTF_8);
        HttpRequest<String> httpRequest = new HttpRequest();
        httpRequest.setData(oldRequestJson);
//        httpRequest.setSession("");
//        httpRequest.setVersionCode("2.1.3");

        String newRequestJson = new Gson().toJson(httpRequest).replace("\\", "");
        String json1 = oldRequestJson.replace("{", "");
        String json2 = json1.replace("}", "");

        new LoggerImpl().log("oldRequestJson :"+oldRequestJson + "  json1 :" +json1 +" json2: "+json2);
        new LoggerImpl().log("value :"+value+" newRequestJson :"+newRequestJson);
//        不加密传参
//        return RequestBody.create(MEDIA_TYPE, newRequestJson);
        //自定义拼接字符串 需要重写 bean 的 toSting
        return RequestBody.create(MEDIA_TYPE, value.toString());
        //数据加密处理方法
//        return RequestBody.create(MEDIA_TYPE, DesUtil.encrypt(newRequestJson));
    }
}
